Your first successes celebrated at the young Korean Winter Games, where she won over 1000 meters, and with students Championships. International she made her debut in short track speed skating World Cup 2008/ 09 and reached there in her first World Cup race on 17 October 2008 in Salt Lake City in second over 1500 meters the podium. Winner in this race was the Chinese Zhou Yang. Now in its second race, now on the 1000 -meter distance, Jung missed in Vancouver in fourth just under the podium.
She studied at Dankook University.